From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>,
Sasha Levin <sashal@kernel.org>,
linux-nfs@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 5.2 45/94] SUNRPC: Handle EADDRINUSE and ENOBUFS correctly
Date: Wed, 4 Sep 2019 11:56:50 -0400 [thread overview]
Message-ID: <20190904155739.2816-45-sashal@kernel.org> (raw)
In-Reply-To: <20190904155739.2816-1-sashal@kernel.org>
From: Trond Myklebust <trond.myklebust@hammerspace.com>
[ Upstream commit 80f455da6cd0998a5be30a8af24ea2a22815c212 ]
If a connect or bind attempt returns EADDRINUSE, that means we want to
retry with a different port. It is not a fatal connection error.
Similarly, ENOBUFS is not fatal, but just indicates a memory allocation
issue. Retry after a short delay.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/sunrpc/clnt.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 9e1743b364ec4..3f090a75f3721 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1926,6 +1926,9 @@ call_bind_status(struct rpc_task *task)
task->tk_rebind_retry--;
rpc_delay(task, 3*HZ);
goto retry_timeout;
+ case -ENOBUFS:
+ rpc_delay(task, HZ >> 2);
+ goto retry_timeout;
case -EAGAIN:
goto retry_timeout;
case -ETIMEDOUT:
@@ -1949,7 +1952,6 @@ call_bind_status(struct rpc_task *task)
case -ENETDOWN:
case -EHOSTUNREACH:
case -ENETUNREACH:
- case -ENOBUFS:
case -EPIPE:
dprintk("RPC: %5u remote rpcbind unreachable: %d\n",
task->tk_pid, task->tk_status);
@@ -2040,8 +2042,6 @@ call_connect_status(struct rpc_task *task)
case -ENETDOWN:
case -ENETUNREACH:
case -EHOSTUNREACH:
- case -EADDRINUSE:
- case -ENOBUFS:
case -EPIPE:
xprt_conditional_disconnect(task->tk_rqstp->rq_xprt,
task->tk_rqstp->rq_connect_cookie);
@@ -2050,6 +2050,7 @@ call_connect_status(struct rpc_task *task)
/* retry with existing socket, after a delay */
rpc_delay(task, 3*HZ);
/* fall through */
+ case -EADDRINUSE:
case -ENOTCONN:
case -EAGAIN:
case -ETIMEDOUT:
@@ -2058,6 +2059,9 @@ call_connect_status(struct rpc_task *task)
clnt->cl_stats->netreconn++;
task->tk_action = call_transmit;
return;
+ case -ENOBUFS:
+ rpc_delay(task, HZ >> 2);
+ goto out_retry;
}
rpc_call_rpcerror(task, status);
return;
--
2.20.1
next prev parent reply other threads:[~2019-09-04 16:18 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-04 15:56 [PATCH AUTOSEL 5.2 01/94] ieee802154: hwsim: Fix error handle path in hwsim_init_module Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 02/94] ieee802154: hwsim: unregister hw while hwsim_subscribe_all_others fails Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 10/94] s390/bpf: fix lcgr instruction encoding Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 17/94] s390/bpf: use 32-bit index for tail calls Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 18/94] batman-adv: fix uninit-value in batadv_netlink_get_ifindex() Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 19/94] selftests/bpf: fix "bind{4, 6} deny specific IP & port" on s390 Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 20/94] tools: bpftool: close prog FD before exit on showing a single program Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 22/94] netfilter: ebtables: Fix argument order to ADD_COUNTER Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 23/94] netfilter: nft_flow_offload: missing netlink attribute policy Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 24/94] netfilter: xt_nfacct: Fix alignment mismatch in xt_nfacct_match_info Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 29/94] Kconfig: Fix the reference to the IDT77105 Phy driver in the description of ATM_NICSTAR_USE_IDT77105 Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 30/94] xdp: unpin xdp umem pages in error path Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 31/94] selftests/bpf: fix test_cgroup_storage on s390 Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 32/94] selftests/bpf: add config fragment BPF_JIT Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 33/94] selftests/bpf: install files test_xdp_vlan.sh Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 34/94] qed: Add cleanup in qed_slowpath_start() Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 38/94] batman-adv: Only read OGM tvlv_len after buffer len check Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 39/94] batman-adv: Only read OGM2 " Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 40/94] flow_dissector: Fix potential use-after-free on BPF_PROG_DETACH Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 41/94] bpf: fix use after free in prog symbol exposure Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 42/94] bpf: allow narrow loads of some sk_reuseport_md fields with offset > 0 Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 43/94] r8152: Set memory to all 0xFFs on failed reg reads Sasha Levin
2019-09-04 15:56 ` Sasha Levin [this message]
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 46/94] SUNRPC: Handle connection breakages correctly in call_status() Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 51/94] netfilter: xt_physdev: Fix spurious error message in physdev_mt_check Sasha Levin
2019-09-04 15:56 ` [PATCH AUTOSEL 5.2 52/94] netfilter: nf_conntrack_ftp: Fix debug output Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 57/94] netfilter: conntrack: make sysctls per-namespace again Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 61/94] Add genphy_c45_config_aneg() function to phy-c45.c Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 62/94] libceph: don't call crypto_free_sync_skcipher() on a NULL tfm Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 67/94] ibmvnic: Do not process reset during or after device removal Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 68/94] nfp: flower: handle neighbour events on internal ports Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 69/94] sky2: Disable MSI on yet another ASUS boards (P6Xxxx) Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 75/94] amd-xgbe: Fix error path in xgbe_mod_init() Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 76/94] net: stmmac: dwmac-rk: Don't fail if phy regulator is absent Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 77/94] netfilter: nf_flow_table: fix offload for flows that are subject to xfrm Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 78/94] netfilter: nf_flow_table: clear skb tstamp before xmit Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 87/94] net: aquantia: fix removal of vlan 0 Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 88/94] net: aquantia: fix limit of vlan filters Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 89/94] net: aquantia: reapply vlan filters on up Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 90/94] net: aquantia: linkstate irq should be oneshot Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 91/94] net: aquantia: fix out of memory condition on rx side Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 92/94] net: dsa: microchip: add KSZ8563 compatibility string Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 93/94] enetc: Add missing call to 'pci_free_irq_vectors()' in probe and remove functions Sasha Levin
2019-09-04 15:57 ` [PATCH AUTOSEL 5.2 94/94] net: seeq: Fix the function used to release some memory in an error handling path Sasha Levin
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